/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*  This file is part of the GtkHTML library.
 *
 *  Copyright (C) 2000 Helix Code, Inc.
 *  Authors:           Radek Doulik (rodo@helixcode.com)
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
*/

#include <config.h>

#include "htmlcolor.h"
#include "htmlpainter.h"

HTMLColor *
html_color_new (void)
{
	HTMLColor *nc = g_new0 (HTMLColor, 1);

	nc->refcount = 1;

	return nc;
}

HTMLColor *
html_color_new_from_gdk_color (const GdkColor *color)
{
	HTMLColor *nc = html_color_new ();

	nc->color = *color;

	return nc;
}

HTMLColor *
html_color_new_from_rgb (gushort red,
                         gushort green,
                         gushort blue)
{
	HTMLColor *nc = html_color_new ();

	nc->color.red   = red;
	nc->color.green = green;
	nc->color.blue  = blue;

	return nc;
}

void
html_color_ref (HTMLColor *color)
{
	g_assert (color);

	color->refcount++;
}

void
html_color_unref (HTMLColor *color)
{
	g_assert (color);
	g_assert (color->refcount > 0);

	color->refcount--;

	if (!color->refcount) {
		/* if (color->allocated)
		 * g_warning ("FIXME, color free\n"); */
		/* FIXME commented out to catch g_asserts on refcount so we could hunt "too much unrefs" bugs */
		g_free (color);
	}
}

void
html_color_alloc (HTMLColor *color,
                  HTMLPainter *painter)
{
	g_assert (color);

	if (!color->allocated) {
		html_painter_alloc_color (painter, &color->color);
		color->allocated = TRUE;
	}
}

gboolean
html_color_equal (HTMLColor *color1,
                  HTMLColor *color2)
{
	if (color1 == color2)
		return TRUE;
	if (!color1 || !color2)
		return FALSE;

	return gdk_color_equal (&color1->color, &color2->color);
}

void
html_color_set (HTMLColor *color,
                GdkColor *c)
{
	/* if (color->allocated)
	 * g_warning ("FIXME, color free\n"); */
	color->allocated = FALSE;
	color->color = *c;
}
